.header {
    width: auto;
    height: 50px;
}

.header .logo {
    float: left;
    height: 78px;
    width: 200px;
    margin-left: 200px;
}

.header .text {
    float: left;
    height: 78px;
    margin-left: 600px;
    margin-top: 20px;
}

input {
    height: 25px;
    width: 200px;
}

.header .nav-first {
    float: right;
    margin-left: 0;
    margin-right: 50px;
    text-align: center;
    margin-top: 20px;
    height: 32px;
    width: 120px;
}

.nav-first:hover {
    background-color: #F0F9FF;
    color: #0099F2;
}

.header .nav-second {
    float: right;
    margin-left: 0;
    margin-right: 0;
    text-align: center;
    margin-top: 20px;
    height: 32px;
    width: 120px;
}

.nav-second:hover {
    background-color: #F0F9FF;
    color: #0099F2;
}

.back {
    margin-top: 23px;
    background-color: #0099f2;
    height: 500px;
}

.nav-img {
    float: left;
    height: 500px;
    margin-left: 225px;
    padding: 27px;
    padding-bottom: 0;
}

.nav-intro {
    float: left;
    height: 500px;
}

.nav-intro h1 {
    font-size: 40px;
    line-height: 40px;
    color: #fdfdfd;
    margin-left: 160px;
    margin-top: 120px;
}

.nav-intro p {
    font-size: 16px;
    line-height: 26px;
    color: #99d1f8;
    margin-left: 160px;
}

.small-header {
    height: 100px;
}

.small-header .cheak {
    float: left;
    font-size: 20px;
    color: #000;
    clear: both;
    margin-left: 200px;
    margin-bottom: 50px;
}

.small-header .new {
    float: right;
    font-size: 20px;
    color: #CCC;
    margin-right: 200px;
    margin-bottom: 50px;
}

.contest {
    width: 960px;
    height: 2100px;
    margin: 20px auto;
    background-color: #F9F9F9;
}

.box1 {
    float: left;
    width: 260px;
    height: 300px;
    margin: 20px;
    margin-top: 40px;
}

.box1 img {
    width: 260px;
    height: 260px;
}

.box1 p {
    color: #333333;
}

.box2 {
    float: left;
    width: 260px;
    height: 300px;
    margin: 30px;
    margin-top: 40px;
}

.box2 img {
    width: 260px;
    height: 260px;
}

.box3 {
    float: left;
    width: 260px;
    height: 300px;
    margin: 30px;
    margin-top: 40px;
}

.box3 img {
    width: 260px;
    height: 260px;
}

.process {
    clear: both;
    line-height: 62px;
    background-color: #E8EEF2;
    width: 960px;
    margin: 0 auto;
}

.process h1 {
    text-align: center;
    font-size: 20px;
    color: #59ABDF;
}

.foot {
    width: 960px;
    height: 265px;
    background-color: #E5E5E5;
    margin: 30px auto;
}

.foot-p {
    float: left;
    color: #000;
    width: 710px;
    height: 210px;
}

.foot-p .p1 {
    margin-top: 32px;
}

.foot-p p {
    margin-bottom: 15px;
    margin-left: 20px;
}

.erweima {
    float: left;
    margin-left: 70px;
    margin-top: 32px;
}

.erweima p {
    margin-left: 15px;
    margin-top: 5px;
}